Speaker



FIG. 1 is a perspective view of a speaker showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left-side elevation view thereof;

FIG. 5 is a right-side elevation view thereof;

FIG. 6 is a top-side plan view thereof; and,

FIG. 7 is a bottom-side plan view thereof.

The broken lines illustrating portions of the speaker are for environmental purposes only and form no part of the claimed design. 

CLAIM We claim, the ornamental design for a speaker, as shown and described. 